Spudding shoe



1,645,472 J. A. BELLMAN SPUDDING. SHOE Filed July 19. 1926 Patented Oct, 11, 1927.

UNITED STATES PATENT oFElcE. l

JOHN A. BELLMAN, OF HENRYETTA., OKLAHOMA, ASSIGNOR TO MINTON M. PAYNE AND `\V. G. FLOURNY, O3? HENRYETTA, KLAHOMA.

SPUIJDING SHOE.

App1cation filed July 19,

This invention relates to spudding devices ind more particularly to spudding shoes.

In the drilling of wells it is impossible to connect a drilling tool to the walking beam at the beginning of the operation, due to the length of the tool, and itis the usual practice to place the tool on a line from the bull wheel which is passed over the crown pulley of the derrick and Connect this l0 line to ak jerk line by means of a spudding shoe, the other end of the jerk line being connected tothe crank of the engine to produce an intermittent upward and downward movement on the main cable to which the tool is attached.

v An object of the present invention is to provide a spudding shoe in which the cable is securely retained in the spuddingshoe to prevent sliding of the yshoe on the cable.

vA further object is to' provide a shoe having a spring pressed movable Contact member adapted to engage the cable.

A further object ofthe invention is the provision of improved locking means for the contactjmember which` will prevent the shoe from becoming accidentally loosened on the cable but which may be readily released when desired. f

In the accompanying drawings, I have shown one embodiment of the invention. In

this showing,

Figure 1 is a front elevation of al part of a` derrick diagrammatically illustrating the invention applied,`

Figure 2 is a front view of the spudding shoe,

Figure 3l is a detail sectional View substantially on line 3 3 of Figure 2,

Figure 4 is atransv'erse sectional .view through a portion of the spudding shoe substantially on line 4 4 of Figure 2 showing the guides for the contact member` and,

Figure 5 is a perspective view of the contact member and operating arm removed.

Referring to the drawings.l the reference numeral 1 designates generally a derrick having a crown pulley 2 arranged at the iop thereof in the usual manner. The well drilling equipment is provided with the j 1926. Serial'No. 123,598.

jerk line `6 is connected to the cable between the crown pulley 2 and the drum 4 and one end of the jerk line is connected to the crank 7 of an engine 8. The parts heretofore described are of the usual construction and form no part of the present invention except in the combination claimed. .At the other end of the jerk line I provide a` spudding shoe 9 which is provided with a hook 10 at its rear end adapted to receive an eye or loop N11 on the end of the jerk line. The opposite end of the shoe is provided with a curved grooved portion v12vtlirough' which the cable vis adapted to pass and the spudding shoe is adapted'to be locked or fastened to the cable by means of a suitable Contact member. As shown (see Figure 4) the portion of the shoe between the hook-10 and the grooved portion 12 is U-shaped in cross section'for'ming a base 13`and side walls 14. A cover 15 is secured to the vside walls and forms a receptacle for the movable contact or shoe. As shown (see Figure 5) thisy contact is provided with la contact faceA 16 curved on an are substantially concentric with the curved portion 12 and the cable is adapted to be locked inthe groove by frictional engagement with this contact face. At each Vside the cont-act member ,is provided with upwardly extending arms 17 whichv are arranged `adjacent the side walls. of they casing when the device is in position (see Figure 2). The cover is provided with a pair of inwardly projecting pins 18 arranged on its inner face adjacent the sidewalls and adapted to be lreceived in longitudinal recesses 19 in the sides of the contact member toform a guide therefor.

Suitable means are provided for moving the contact member toward the groove portion 12 of the shoeand to permit its release. As shown (see Figure 3) the cover and body portion of the shoe are provided with a pair of alined openings adapted to receive a rod ror pin 20. In front of the shoe this rod is extended at right angles forming a handle 2.1. )Nithin the casing thereV isV provided a finger 22 which is parallel to the handle and is turned downwardly to force the shoe toward the groove when the handle is swung downwardly. The rear face of the contact member is providedwith Vslots adjacent each end for the reception of the ends of aleaf spring l23v and the end of the finger 22 is adapted to engage the central portion of this spring which is normally bowed as shown in Figure pt the drawings.

Suitable means are provided for retaining the actuating member in operative position. As shown, the outer side ot the grooved poi'- t-ion of the shoe is provided with a stop 24 which is adapted to limit the movement of the handle. At right angles to the handle I provide a second linger 25 which is arranged in front ot the cover. A spring plate 26 is fastened to the hook IO and the lower end of this plate is provided with a finger 27 which is `extended inwardly to engage the finger 25 as shown in Figures 2 and 3 of the drawings.

The operation ot' the device will be apparent from the foregoing description. In the drawings the locking member is shown in` an operative position. Movement of lthe handle in a Aclockwise direction is prevented by the stop 2l and accidental movement in a reverse direction is prevented by the end 27 of the'spring plate 26. To release the contact member from the cable the lower end 27 of thespring 26 is raised and the handle 21 swung through a quarter of a revolution in a counter-clockwise direction. This releases the cable and permits it yto move in the grooved portion 1270i the shoe.

When the actuating member moved to an operative positionthe finger 22 engages `the spring andmoves the contact member downwardly until the tace 16 engages `the cable. Further movement toward 'the position shown in Figures 2 and 3 of thel drawings causes the spring V25, to straighten and thus impose an additional force on the contact member which eiiectually prevents the cable ,from slipping between thev contact tace l5 and the bottom .of the grooved portion l2.

It is to be understood that the forni of my invention herewith shown and described is `to 1be'taken asa preferred example ot the same and that varions changes in the shape, Size, and arrangement Of parte may be .le sorted to without departing from the spirit the invention or the scope of the subioined Claims.

I dei@ I. In a device of the character described, a has@ having a .Curved portion adapted t0 receive e @able e housing arranged .on Said base, a movable contactV member arranged .in seid housing, e leef .Spring mounted 0n the rear tace of said'movable Contact niember, an actuating member engaging said spring, and means tor attaching an actuating cable to said base.

2. A spudding shoe comprising a. base having a grooved portion, a housing arranged on said base, a movable Contact meinbei arranged in said housing, a rod extending through said housing, a finger projecting troin said rod and adapted to engage said movable contact member, a handle carried by said rod exteiiorly of said housing, and

a stop arranged in the path of said handle to limit its movement in one direction.

3. A spudding shoe comprising a. base having a giooved portion, a housing arranged on said base, a movable contact inember arranged'in said housing, a rod extending through said housing, a finger projecting 'from said rod and adapted to engage said movable Contact member, a handle carried by said rod eXteriorly of said housing, a'stop arranged in the path of said handle to limit its movement in one direction, and yieldable means to prevent movement in a reverse direction when said handle and rod are in an operative position. Y'

4t, A spudding shoe comprising a base having a grooved portion, a housing ai'- ranged on said base, a movable Contact member arranged in said housing, a rod extentiing through said housing, a finger projecting tronil said rod and adapted to engage said movable contact member, a handle carried by said rod enteriorly of said housing, a stop arranged in the pathl of said handle to limit itsmovement in one direction, a

linger carried by` said rod exteriorly of said housing and arranged at an angle to said handle,` and a spring arranged in the path of said finger to prevent movement ot said handle and rod in a reverse direction. l

5. A spudding shoe comprising a base .having a grooved portion, a housing arranged on said base, a substantially U- shaped contact member arranged in said housing, the arms of said contactmeinber being provided with recesses, pins carried by said housing and adapted to enter said recesses to guide said contact member,fa rod extending through said housing, la finger project-ing from said rod and adapted to engage said 4contact member` and a handle carried said rod exteriorly of said housing.

6. A device constructed in accordance with claim 2 wherein a spring is arranged on the rear face of said'movable contact member and is adapted to be engaged said finger.

In testimony whereof I Aaiiiir my signature.

JOHN A. BELLMAN.

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